1 Dollar Express has determined that average purchase amount for a Halloween party is $59.23 with a standard deviation of $5.89. Assume the distribution to be Normal. Use NORMDIST to calculate the probability that a customer will spend a more than $65.43 0.1463 b between $56.31 and $66.89. 0.5933 C between $63.43 and $70.16. 0.2062 d less than $65.14 0.8422